Home / 263,426,082.94-394,985,959.80-99,676,489.12

Finding the Fourth Proportional to 263,426,082.94, 394,985,959.80 and 99,676,489.12

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Solution

The fourth proportional to 263,426,082.94, 394,985,959.80 and 99,676,489.12 is: 149,456,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,426,082.94 : 394,985,959.80 = 99,676,489.12 : x
  2. Step 2: Convert to fraction form
    263,426,082.94/394,985,959.80 = 99,676,489.12/x
  3. Step 3: Cross multiply
    263,426,082.94x = 394,985,959.80 × 99,676,489.12
  4. Step 4: Simplify right side
    263,426,082.94x = 39,370,813,724,557,464
  5. Step 5: Solve for x
    x = 39,370,813,724,557,464/263,426,082.94
  6. Step 6: Final answer
    x = 149,456,778.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.